#include <iostream>

using namespace std;

void swapif(int & x, int & y)
{ if (x > y)
  { int temp = x;
    x = y;
    y = temp; } }

int main()
{ int a, b, c, d;
  cout << "Enter the numbers: ";
  cin >> a >> b >> c >> d;
  swapif(a, b); swapif(b, c); swapif(c, d);
  swapif(a, b); swapif(b, c);
  swapif(a, b);
  cout << "In order, they are :\n";
  cout << a << "\n";
  cout << b << "\n";
  cout << c << "\n";
  cout << d << "\n";
}